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7589248 |
Mercury contamination extraction
Mercury is removed from contaminated waste by firstly applying a sulfur reagent to the waste. Mercury in the waste is then permitted to migrate to the reagent and is stabilized in a mercury sulfide...
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7550645 |
Process and composition for the immobilization of radioactive and hazardous wastes in borosilicate glass
The present invention provides processes to immobilize radioactive and/or hazardous waste in a borosilicate glass, the waste containing one or more of radionuclides, hazardous elements, hazardous...
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7517405 |
Composition for solidifying soil and industrial waste
Disclosed herein is a composition for solidifying soil and industrial waste. The solidifying composition contains 16-24 wt % of straight asphalt, 0.06-0.10 wt % of an emulsifier for asphalt,...
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7476194 |
In-container mineralization
A method of waste stabilization by mineralization of waste material in situ in a treatment container suitable or treatment, transit, storage and disposal. The waste material may be mixed with...
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7429239 |
Methods for melting of materials to be treated
A process for melting material to be treated includes placing material to be treated in a container that may include an insulating lining, heating the material to be treated and melting the...
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7387674 |
Method for solidifying soil and industrial waste, and solidified materials prepared thereby
Disclosed herein are a method for solidifying soil and industrial waste and a solidified material prepared thereby. The solidified material of soil and industrial waste is prepared by adding 2-6...
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7365237 |
Liquid metal reactor and method for treating materials in a liquid metal reactor
A target material ( 60 ) to be treated in a liquid reactant metal is loaded into a containment area defined within a liquid reactant metal treatment vessel ( 11 ). The containment area is then...
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7351191 |
Method for stabilizing contaminated waste
A method for solidifying an oil-contaminated aqueous waste in situ or ex situ includes the step of combining the oil-contaminated waste with a clay, a cement and a sulfite salt solidification agent...
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7332529 |
Thermoreversible organogelators, compositions and methods of making thereof
Thermoreversible organogelator compositions comprising compounds of the formula:
where X is C 6 to C 12 alkylene and R is C 9 to C 12 alkyl,
and their methods of use, including forming a...
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7132584 |
Method of using high temperature plasma to disintegrate waste containing titanyl phthalocyanine
A method of using high temperature plasma to disintegrate waste containing titanyl phthalocyanine (TiOPc) comprises heating a mixture of titanyl phthalocyanine (TiOPc), a vitrifying material and...
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7128780 |
Process for producing building materials from raw paint sludge
A process for producing building materials, such as asphalt, cement, concrete, mortar, or plaster board from liquid paint sludge containing water and paint solids produced from overspray in...
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7118624 |
Method for making a road base material using treated oil and gas waste material
The present invention provides a novel method to produce grade road base material using recycled oilfield waste, called “oil and gas waste,” more specifically, drilling waste and aggregate and...
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7090827 |
Process for immobilizing metallic sodium in glass form
A process for immobilizing metallic sodium in glass form. The process comprises: (A) introducing in a dispersed state, into a reactor, an amount of a vitrified matrix precursor, metallic sodium and...
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7091393 |
Processes for immobilizing radioactive and hazardous wastes
The present invention utilizes one or more processes to immobilize a waste that contains one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds present in the...
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7074174 |
Methods and apparatus for encapsulating hazardous debris
A method of collecting, treating, transporting and disposing of hazardous debris which combines the standards of macroencapsulation and microencapsulation and involves the use of a liner to contain...
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7059805 |
Process for environmental pacification of drill cuttings
The process for environmental pacification of drill cuttings which contain drilling fluid residue is characterized by mixing said cuttings with dehydrated limestone coke ash in the presence of...
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7017371 |
Method for producing a glass
Glass produced on basis of a raw material in form of a mixture of mainly mineral-containing components comprising sludge from e.g. purification plants and waste products from the industry, and...
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6991593 |
Hazardous waste stabilization methods, products and testing procedures
A process for the stabilization of metal bearing waste is provided that is based upon the discovery that landfills have anaerobic environments. This process includes adjusting the pH of the waste...
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6991405 |
Application of inert gas mixtures to prevent and/or to control sulfide mineral oxidation and the generation of acid rock drainage
A system, computer program product and method of preventing and controlling sulfide mineral oxidation and generation of acid rock drainage in a mass of sulfidic waste is provided. The mass of...
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6955638 |
Process for disposing of solvent-containing liquids
A process for disposing of solvent-containing liquids so that they do not contaminate ground water. An absorbent blend is mixed into a water-containing solvent mixture at the rate of about 1 lb. of...
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6941878 |
Advanced vitrification system 2
A melter for the vitrification of waste, and method of using the melter, in the form of a disposal canister, wherein the melter is capable of filling multiple disposal canisters of waste and...
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6926837 |
Process for the treatment of waste materials
The invention relates to a mixture and a process for the treatment of waste materials and the use of the mixture for the treatment of waste materials and waste material treated therewith. The...
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6857999 |
Method for destroying and/or inerting waste
A subject matter of the invention is a process for destroying waste and/or rendering it inert, in particular industrial, biological or farm-produce waste: use is made of a reactor provided with...
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6857998 |
Compositions and methods for treatment of solid waste
This invention relates to the treatment of contaminated materials including soils and solids to stabilize and reduce the mobility of heavy metal contaminated materials. Compositions and processes...
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6838485 |
Treatments for drill cuttings
An emulsifier composition for treating marine cuttings, preferably in situ, to convert free hydrocarbons to isolated hydrocarbons; drill cuttings treated with the emulsifier composition; droplets...
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6835697 |
Method to significantly reduce mounding on the seafloor
A method to significantly reduce mounding on the seafloor near oil drilling operations comprising the steps of: mixing drilling fluids with organic contaminates in a high shear mixer; adding a...
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6833123 |
Method for liquid chromate ion and oxy-metal ions removal and stabilization
A method for removing at least one of chromate and other oxy-metal ions from liquid solutions includes contacting the liquid solution with solid barium compounds as adsorbents so that the at least...
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6809329 |
Container for waste
A sealable container for receiving toxic waste for long-term storage is described, the container comprising sheet metal members welded together to form a main fillable volume; four hollow, sheet...
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6797846 |
Fibrous crystal aggregates, preparation method thereof and use thereof
A crystal substance formed by precipitating as fibrous aggregates by making a metal aliphatic carboxylate dissolve completely in pure water, stirring, and gradually cooling the resulting solution....
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6797049 |
Mixture for the treatment of waste materials
The invention relates to a mixture and a process for the treatment of waste materials and the use of the mixture for the treatment of waste materials and waste material treated therewith. The...
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6796746 |
Subterranean drilling and in situ treatment of wastes using a contamination control system and methods relating thereto
Systems and methods relating to subterranean drilling while maintaining containment of any contaminants released during the drilling. A thrust block installed over a zone of interest provides an...
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6786966 |
Pulverulent ash composition as a portland cement substitute for improving concrete products and method
A dry pulverulent ash composition is described which comprises a dry pulverulent fly ash to be used as a portland cement substitute for improving the physical properties of a finished concrete...
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6784444 |
Containment and transportation of decommissioned nuclear reactor pressure vessels
Apparatus for containing, transporting, and storing or disposing of radioactive machinery, including decommissioned nuclear reactor pressure vessels. An improved, economically-produced container...
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6734334 |
Processes for immobilizing radioactive and hazardous wastes
The present invention utilizes one or more processes to immobilize a waste that contains one or more of radionuclides, hazardous elements, hazardous compounds, and/or other compounds present in the...
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6714617 |
Disposal of radiation waste in glacial ice
Encapsulating calcined radioactive waste in strong, corrosion-resistant spheres of dimensions such that heat from the radiation melts the ice at a rate which brings the spheres to the bottom of the...
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6695077 |
Thermal process for treating hydrocarbon-contaminated drill cuttings
Hydrocarbon contaminants in drill cuttings generated in an oil drilling operation are removed by mixing the drill cuttings with an agglomerant to produce a pre-treatment mixture; heating to...
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6679823 |
Treatment of electric arc furnace dust to resist acid and alkaline leaching of heavy metals
A supplemental agent for a hazardous waste composition containing electric arc furnace dust (EAFD) includes potassium magnesium sulfate or a magnesium salt such as magnesium sulfate or magnesium...
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6653355 |
Treating agent for oil
An oil treating agent of W/O emulsion, wherein an aqueous dispersed phase is dispersed in an oily continuous phase, and wherein the dispersed phase is an alkaline mixture solution obtained by...
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6648551 |
Method for stabilizing and reducing permeability of geologic or waste materials
Methods for inducing the precipitation of substantially water insoluble mineral carbonates in pores, spaces and fractures by conveying a carbon-dioxide (ie. CO 2 ) bearing gaseous phase or an...
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6638204 |
Method of disposal of waste containing heavy metal
(A) Heavy metal-containing wastes are kneaded in melt with (B) an alkali metal compound or an alkaline earth metal compound and (C) sulfur, or with (E) a sulfide, or with these along with (D) a...
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6620092 |
Process and apparatus for vitrification of hazardous waste materials
A process for vitrifying waste material containing environmentally hazardous metals or metal compounds includes drying a waste material using a flash dryer, where the drying is carried out at a...
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6599357 |
Detoxifying agent for use in disposal of noxious wastes that is conducted by solidifying them with cement
A detoxifying agent for use in disposal of noxious wastes that is conducted by solidifying them with cement, consisting essentially of an aqueous solution which comprises as main components (a)...
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6576289 |
Method and composition for treating volatile waste
A process of treating solid material flammable waste is provided in which dry fire retardant admixtures are used to intermix with the material waste so as to lower the burn rate and flammability...
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6558308 |
AVS melting process
The Advanced Vitrification System (AVS) Melting Process is a process for vitrification of waste in a disposable canister. In the process, waste is dropped into the disposable canister from the top....
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6554888 |
Stabilization of coal wastes and coal combustion byproducts
A fill material mix that includes coal processing wastes, at least one coal combustion by-product and a neutralizing/stabilizing by-product that may be the same as or different than the coal...
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6532768 |
Process for the vitrification of a pulverulent material and apparatus for implementing the process
The present invention relates to a vitrification process for a pulverulent material and an apparatus for implementing said process. The process consists in introducing the pulverulent material into...
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6512157 |
Subgrade radioactive and hazardous waste monolith packaging structural containment system
An economical and efficient method for forming a waste containing monolith which meets applicable waste disposal laws, rules and regulations. Removable walls are attached to at least one side of...
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6498119 |
Chemically bonded phosphate ceramics of trivalent oxides of iron and manganese
A new method for combining elemental iron and other metals to form an inexpensive ceramic to stabilize arsenic, alkaline red mud wastes, swarfs, and other iron or metal-based additives, to create...
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6490887 |
Method for converting polychlorinated biphenyl oil into a resource, agent for decomposing polychlorinated biphenyl oil, and reclaimed material
The method for converting harmful polychlorinated biphenyl (PCB) oil into a resource includes chemical decomposition treatment, pelletizing treatment and thermal decomposition treatment. The...
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6492572 |
Method for remediating contaminated soils
A method is disclosed for the degradation of persistent contaminants in soil. The method provides the combination of a stabilizing reagent and a degradative reagent where both are admixed into a...
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